Seiko Cal. 5660 - 254

The Seiko 5660-254 represents an important milestone in Seiko's 1980 lineup. Powered by the 5660 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-3773209fdc06]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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